Vibration isolation table

Details Vibration isolation table Vibration isolation table

2005-04-12

2005-04-12

Ramirez, Ramon O (Department: 3632)

Supports

Machinery support

Including vibration isolation means

C248S550000, C248S676000

Reexamination Certificate

active

06877711

ABSTRACT:
A vibration isolation table includes a stationary housing having an opening on top thereof; a pressure-tight flexible member which closes the opening to form a first pressure chamber in the stationary housing; a primary movable base which is coupled to a central portion of the pressure-tight flexible member, the primary movable base having a bottomed hollow cylindrical member; an intermediate movable base having a swingable rod which is inserted into the bottomed hollow cylindrical member so that a bottom end of the swingable rod is supported thereby to allow the swingable rod to swing with respect to the bottomed hollow cylindrical member; and a vibration-free base on which an object to be isolated from vibration is mounted, a second pressure chamber being formed between the intermediate movable base and the vibration-free base, the second pressure chamber being capable of expanding and contracting vertically.

REFERENCES:
patent: 3589655 (1971-06-01), Hackbarth et al.
patent: 5765800 (1998-06-01), Watanabe et al.
patent: 6164023 (2000-12-01), Horikiri et al.
patent: 20010041119 (2001-11-01), Hasegawa et al.
patent: 53-68364 (1978-06-01), None
patent: 1-307633 (1999-12-01), None
patent: WO 9413999 (1994-06-01), None

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